Texas Instruments

UC3843AN  

Power Supply Controllers, Monitors

UC3843AN Description

The UC3843AN is a high-performance PWM controller designed for a wide range of power supply applications. Manufactured by Texas Instruments, this device is part of the UCx84xA series and offers a robust solution for power management. With an operating temperature range of 0°C to 70°C and a supply voltage range of 7.6V to 30V, the UC3843AN is well-suited for various environments and power requirements. This through-hole mounted device is available in an 8-DIP package and is compliant with RoHS3 regulations, making it an environmentally friendly choice.

UC3843AN Features

• Operating Temperature: The UC3843AN can operate within a wide temperature range of 0°C to 70°C, making it suitable for both indoor and outdoor applications.
• Applications: As a PWM controller, the UC3843AN is ideal for power supply applications, including battery chargers, power adapters, and LED drivers.
• ECCN: EAR99, indicating that this device is not subject to export controls under the Export Administration Regulations.
• Mounting Type: Through-hole mounting provides a reliable and secure connection in various circuit board designs.
• Current - Supply: The UC3843AN consumes a low supply current of 11 mA, contributing to energy efficiency in power supply systems.
• Product Status: Active, ensuring ongoing availability and support from Texas Instruments.
• Series: UCx84xA, a series known for its high performance and reliability in power supply control.
• Voltage - Supply: The wide supply voltage range of 7.6V to 30V allows the UC3843AN to handle various input voltages.
• REACH Status: REACH Unaffected, indicating compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals regulations.
• Mfr: Texas Instruments, a leading semiconductor manufacturer known for quality and innovation.
• HTSUS: 8542.39.0001, the Harmonized Tariff Schedule code for this product.
• Package: Tube, providing protection during storage and transportation.
• RoHS Status: ROHS3 Compliant, ensuring environmental responsibility.
• Base Product Number: UC3843, the base model of this series.
• Moisture Sensitivity Level (MSL): Not Applicable, indicating that this device is not sensitive to moisture.

UC3843AN Applications

The UC3843AN is an ideal choice for applications requiring precise power control and management. Some specific use cases include:

• Battery Chargers: The UC3843AN's PWM control capabilities make it suitable for managing battery charging profiles.
• Power Adapters: Its wide supply voltage range allows it to be used in various power adapter designs.
• LED Drivers: The UC3843AN can efficiently control LED brightness and power, making it ideal for LED lighting applications.

Conclusion of UC3843AN

The UC3843AN is a versatile and reliable PWM controller from Texas Instruments, offering a wide operating temperature range, low supply current, and compliance with environmental regulations. Its unique features and advantages make it an excellent choice for power supply applications, including battery chargers, power adapters, and LED drivers. With ongoing support from Texas Instruments, the UC3843AN is a dependable solution for power management in various electronic systems.

UC3843AN Documents

Download datasheets and manufacturer documentation for UC3843AN

PCN Assembly/Origin :

UC284/UC384 16/Mar/2022      

Datasheets :

UC1842A-45A, UC2842A-45A, UC3842A-45A      

HTML Datasheet :

UC1842A-45A, UC2842A-45A, UC3842A-45A      

PCN Design/Specification :

UCYYY 13/DEC/2017